1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> 4 */ 5 6 #include <linux/debugfs.h> 7 #include "mt76x02.h" 8 9 static int 10 mt76x02_ampdu_stat_read(struct seq_file *file, void *data) 11 { 12 struct mt76x02_dev *dev = file->private; 13 int i, j; 14 15 for (i = 0; i < 4; i++) { 16 seq_puts(file, "Length: "); 17 for (j = 0; j < 8; j++) 18 seq_printf(file, "%8d | ", i * 8 + j + 1); 19 seq_puts(file, "\n"); 20 seq_puts(file, "Count: "); 21 for (j = 0; j < 8; j++) 22 seq_printf(file, "%8d | ", 23 dev->mt76.aggr_stats[i * 8 + j]); 24 seq_puts(file, "\n"); 25 seq_puts(file, "--------"); 26 for (j = 0; j < 8; j++) 27 seq_puts(file, "-----------"); 28 seq_puts(file, "\n"); 29 } 30 31 return 0; 32 } 33 34 static int 35 mt76x02_ampdu_stat_open(struct inode *inode, struct file *f) 36 { 37 return single_open(f, mt76x02_ampdu_stat_read, inode->i_private); 38 } 39 40 static int read_txpower(struct seq_file *file, void *data) 41 { 42 struct mt76x02_dev *dev = dev_get_drvdata(file->private); 43 44 seq_printf(file, "Target power: %d\n", dev->target_power); 45 46 mt76_seq_puts_array(file, "Delta", dev->target_power_delta, 47 ARRAY_SIZE(dev->target_power_delta)); 48 return 0; 49 } 50 51 static const struct file_operations fops_ampdu_stat = { 52 .open = mt76x02_ampdu_stat_open, 53 .read = seq_read, 54 .llseek = seq_lseek, 55 .release = single_release, 56 }; 57 58 static int 59 mt76x02_dfs_stat_read(struct seq_file *file, void *data) 60 { 61 struct mt76x02_dev *dev = file->private; 62 struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; 63 int i; 64 65 seq_printf(file, "allocated sequences:\t%d\n", 66 dfs_pd->seq_stats.seq_pool_len); 67 seq_printf(file, "used sequences:\t\t%d\n", 68 dfs_pd->seq_stats.seq_len); 69 seq_puts(file, "\n"); 70 71 for (i = 0; i < MT_DFS_NUM_ENGINES; i++) { 72 seq_printf(file, "engine: %d\n", i); 73 seq_printf(file, " hw pattern detected:\t%d\n", 74 dfs_pd->stats[i].hw_pattern); 75 seq_printf(file, " hw pulse discarded:\t%d\n", 76 dfs_pd->stats[i].hw_pulse_discarded); 77 seq_printf(file, " sw pattern detected:\t%d\n", 78 dfs_pd->stats[i].sw_pattern); 79 } 80 81 return 0; 82 } 83 84 static int 85 mt76x02_dfs_stat_open(struct inode *inode, struct file *f) 86 { 87 return single_open(f, mt76x02_dfs_stat_read, inode->i_private); 88 } 89 90 static const struct file_operations fops_dfs_stat = { 91 .open = mt76x02_dfs_stat_open, 92 .read = seq_read, 93 .llseek = seq_lseek, 94 .release = single_release, 95 }; 96 97 static int read_agc(struct seq_file *file, void *data) 98 { 99 struct mt76x02_dev *dev = dev_get_drvdata(file->private); 100 101 seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all); 102 seq_printf(file, "low_gain: %d\n", dev->cal.low_gain); 103 seq_printf(file, "false_cca: %d\n", dev->cal.false_cca); 104 seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust); 105 106 return 0; 107 } 108 109 static int 110 mt76_edcca_set(void *data, u64 val) 111 { 112 struct mt76x02_dev *dev = data; 113 enum nl80211_dfs_regions region = dev->mt76.region; 114 115 mutex_lock(&dev->mt76.mutex); 116 117 dev->ed_monitor_enabled = !!val; 118 dev->ed_monitor = dev->ed_monitor_enabled && 119 region == NL80211_DFS_ETSI; 120 mt76x02_edcca_init(dev); 121 122 mutex_unlock(&dev->mt76.mutex); 123 124 return 0; 125 } 126 127 static int 128 mt76_edcca_get(void *data, u64 *val) 129 { 130 struct mt76x02_dev *dev = data; 131 132 *val = dev->ed_monitor_enabled; 133 return 0; 134 } 135 136 DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set, 137 "%lld\n"); 138 139 void mt76x02_init_debugfs(struct mt76x02_dev *dev) 140 { 141 struct dentry *dir; 142 143 dir = mt76_register_debugfs(&dev->mt76); 144 if (!dir) 145 return; 146 147 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir, 148 mt76_queues_read); 149 debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp); 150 debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc); 151 152 debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca); 153 debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat); 154 debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat); 155 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir, 156 read_txpower); 157 158 debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc); 159 160 debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset); 161 } 162 EXPORT_SYMBOL_GPL(mt76x02_init_debugfs); 163